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5 Dangerous Diseases That Can Lead To Unusually Swollen Feet At Night

Swollen feet at night: Here are the top 5 diseases that can lead to unusual swelling, especially in the feet and legs. Scroll down to know more.

Written by Satata Karmakar | Published : August 11, 2025 11:01 AM IST

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What Causes Swollen Feet?

Swollen feet, also marked by an unexplained inflammation in the feet, are a serious medical emergency which requires instant attention - why? It could be more than just the inflammation. Yes, you read that right! Experts have stated that an unexplained swelling in the feet could be the most prominent sign of health problems such as diabetes, kidney disease, heart problemss, etc. If you are also suffering from swollen feet problems, do not skip this article.

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Heart Diseases

Yes, feet do swell when the heart is not functioning properly. Heart diseases are marked by any conditions that the cardiac health, which makes it difficult for the organ to function properly. With this condition, the heart is unable to pump blood effectively, leading to the sudden death of the cells. Oedema - another name for foot swelling, is a condition that starts to occur in when excess water accumulates in that region of the body due to poor blood circulation. Also Read - Type-2 Diabetes Symptoms In Feet: 7 Warning Signs You Should Never Ignore

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Kidney Disease

Yes, even kidney damage can cause the foot to swell up unusually. Why does this happen? As per studies, when the kidneys are not functioning properly, they tend to lose their ability to flush out excess fluid from the body - leading to accumulation of this fluid and causing puffiness and swelling in your feet. Therefore, if you ever notice your feet are swollen unexpectedly, make sure to get your kidneys checked.

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Blood Clots

If you find a clot in the vein of your leg, then you need to be worried about it because it can block your blood flow, which can lead to certain swelling and pain in your foot, and you need to act urgently. Consult a doctor immediately if you see this.